Cilium (noun)

1. A microscopic, hair-like protrusion from the surface of a cell that functions in movement.
2. A eyelash.

Origin:

Late latin, from latin, eyelash, from cilium eyelid.

Examples:

1. The cilia on the cells lining the airways help to move mucus and trapped particles out of the lungs.
2. The cilia on the cells lining the fallopian tubes help to move the egg towards the uterus.
3. The cilia on the cells of the brain help to move the cerebrospinal fluid.
4. She carefully applied mascara to her cilia to make them look longer and thicker.
5. He blinked and his cilia swept the dirt particles out of his eyes.